Table of Contents
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Table of Contents
Related Manuals for Alpha ESS PWG2-50K
Summary of Contents for Alpha ESS PWG2-50K
- Page 1 User's Manual PWG2-50K/100K-EX Bi-directional Hybrid Storage Inverter...
- Page 3 User's Manual Data version: V1.0 Filed in: August 17, 2017 Applicable to: PWG2-50K/100K-EX ______________________________________________________________________________________________ Shenzhen Sinexcel Electric Co., Ltd. (“Sinexcel”) provides its customers with all-around technical support. Users can contact Sinexcel’s local office or customer service center or directly contact Sinexcel Headquarters.
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Page 5: Table Of Contents
Table of Contents Chapter I Overview ................3 Model definition ................................3 Symbolic interpretation ............................... 3 System application ............................... 4 Operation model ................................5 Safety instructions ................................ 6 Precautions ..................................7 Personnel requirements ............................7 1.6.1 Equipment use scope ............................7 1.6.2 Cabinet label ................................ - Page 6 Wiring of terminal strips ............................ 16 4.6.6 Check after installation .............................. 17 Chapter V Commissioning and Operation ............ 18 Operation state ................................18 Automatic startup..............................19 5.1.1 Startup and shutdown ............................... 19 Check before startup ............................19 5.2.1 Startup steps ................................. 20 5.2.2 Shutdown steps ..............................
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Page 7: Chapter I Overview
Chapter I Overview Model definition This section introduces product model definition in this user's manual, as shown in Fig. 1-1: PWG2 50K/100K-EX Power rating: 50K/100K Bi-directional Hybrid Storage Inverter Fig.1-1 Product model definition For example: PWG2-100K: 100kW Bi-directional Hybrid Storage Inverter Symbolic interpretation Danger This instruction indicates that there is a safety risk during operation. -
Page 8: System Application
might result in device damage. System application As shown in Fig.1-2, energy storing power generation system is composed of battery or PV, storage inverter and AC distribution unit. Batteries or PV are input to the storage inverter after series-parallel connection of unit. Storage inverter outputs it to AC distribution unit. -
Page 9: Operation Model
Warning The frame of photovoltaic array should be ground connection to make sure the safety of operating personnel. When the photovoltaic array is exposed to light, it supplies a DC voltage to the PCS. Warning To be in compliance EN61000-3-11, the product shall be connected only to a supply of the system impedance: ∣Zsys∣ ... -
Page 10: Safety Instructions
battery, the Bi-directional inverter can transfer energy form grid to batteries. When the inverter works in off-grid model, the output is fixed amplitude and frequency voltage. Safety instructions This user’s manual is about installation and use of Sinexcel PWG2 series 50KW/100KW storage inverter. Before installation, please read this user’s manual carefully. -
Page 11: Precautions
operation. Warning Don’t touch electric parts within 15 minutes after power outage! There is dangerous energy in capacitance storage. Don’t touch device terminal, contactor and cooper bar and other electric parts within 15 minutes after disconnecting all device power supplies. Attention All maintenance and preservation inside the device require using tools and shall be conducted by trained personnel. - Page 12 prevail.
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Page 13: Chapter Ii Introduction To Modules
Chapter II Introduction to PCS-AC, PCS-DC and STS Modules 1 Chapter II Introduction to Modules 2.1 Overall dimension of PCS-AC module Fig.2-1 is a diagram for overall dimension of PCS-AC module case and installation hole. Fig.2-1 Overall dimension and installation diagram for PCS-AC module Fig. -
Page 14: Overall Dimension Of Pcs-Dc Module
2 Chapter II Introduction to PCS-AC, PCS-DC and STS Modules 2.2 Overall dimension of PCS-DC module Fig.2-3 is a diagram for overall dimension of PCS-DC module case and installation hole. Fig. 2-3 Overall dimension and installation diagram for PCS-DC module Fig. - Page 15 Chapter II Introduction to PCS-AC, PCS-DC and STS Modules 3 Position Description Normal Fig. 2-4 Front 3D view for PCS-DC module indicator light Fault indicator light Hanger Handle Communication cable Power supply cable Warning The handle on the front panel of the module cannot bear the load. ...
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Page 16: Chapter Iii Introduction To System
Chapter III Introduction to System 3.1 System composition PWG2-50K/ 100K Bi-directional Hybrid Storage Inverter is composed of 1 or multiple set(s) of PCS-DC and PCS-AC modules. The modules identify master-slave systems through the dial-up codes on the panel. #1 is a master system, while other modules track the master system. -
Page 17: Technical Parameters
1 set It is installed in the cabinet door. 3.2 Technical parameters Table 3-2 is detailed parameters for Bi-directional Hybrid Storage Inverter. Table 3-2 Technical parameters parameters PWG2-50K PWG2-100K PV input quantities: Vmax PV 900 d.c. V 900 d.c. V PV input operating voltage range d.c. -
Page 18: Overall Dimension
6 Chapter III Introduction to System Protective class Ⅰ Ⅰ Ingress protection (IP) rating per part 1 IP 20 IP 20 Note: (1) If DC voltage exceeds 520V, it might cause PV input to fail to operate at the best MPPT point. 3.3 Overall dimension The overall dimension of Bi-directional Hybrid Storage Inverter is shown in Fig.3-2. -
Page 19: Description
Chapter III Introduction to System 7 Touch screen Fig. 3-3 Appearance diagram for Bi-directional Hybrid Storage Inverter Taking PWG2-100K as an example: After opening the front door, the internal plane layout is shown in Fig.3-4. Main components include module, AC/DC breaker and lightning protector. Description Position PCS-DC (1~2 module(s)) -
Page 20: Chapter Iv Device Installation
8 Chapter IV Device Installation Chapter IV Device Installation 4.1 Transport and storage Cabinet and module of Bi-directional Hybrid Storage Inverter are packed separately in the packing cases. That is, multiple modules and a cabinet packed separately in the packing cases. During device transport and storage, pay attention to the logo on the packing case. -
Page 21: Open-Case Inspection
Chapter IV Device Installation 9 Fig.4-1 Moving method for Bi-directional Hybrid Storage Inverter Warning Don’t insert the module into the cabinet and move them together! Before the cabinet is moved, pull out the module and move the cabinet alone. Don’t insert the module into the cabinet ... -
Page 22: Installation Requirements
10 Chapter IV Device Installation Serial Name Quantity Remark User’s manual 1 copy Overall dimension and foundation installation diagram 1 copy Schematic diagram 1 copy External terminal diagram 1 copy Certificate of quality 1 copy 4.4 Installation requirements Environment requirements 4.4.1 It is installed indoor. -
Page 23: Operation Space
Chapter IV Device Installation 11 Operation space 4.4.4 The installation space of Bi-directional Hybrid Storage Inverter should have a proper distance from its peripheral walls so as to ensure that the machine door can be opened and closed conveniently and there will be sufficient space for module insertion and extraction, normal heat dissipation and user’s operation. -
Page 24: Cabinet Installation
12 Chapter IV Device Installation 4.5 Cabinet installation After the cabinet is removed to the installation position with a forklift or a tool. Fine adjust the cabinet and remove it to the designed position, open the internal door of cabinet, use M13 screw to fix the cabinet, as shown in Fig.4-4. Front side of cabinet 8-14X24 waist hole Fig.4-4. -
Page 25: Electrical Connection
Chapter IV Device Installation 13 4.6 Electrical connection Input requirement 4.6.1 DC voltage of Bi-directional Hybrid Storage Inverter should be within the input scope, or the Bi-directional Hybrid Storage Inverter will be unable to operate. When configuring serial quantity of batteries, the maximum charging voltage and minimum discharging voltage should be fully considered. -
Page 26: System Grounding
14 Chapter IV Device Installation AC output A phase AC output B phase AC output C phase Note: The bolt is M8 with a hole diameter of 8mm. Fig. 4-6 PWG2-50K cabinet wiring copper bars Position Description input positive pole input... -
Page 27: Ac Side Wiring
Chapter IV Device Installation 15 Cabinet and module need to be grounded reliably! 1) Use a multi-meter to measure the voltage of PV and battery port, and ensure that the voltage is within input voltage range of Bi-directional Hybrid Storage Inverter. 2) Disconnect DC switch at previous level. -
Page 28: Wiring Of Terminal Strips
16 Chapter IV Device Installation Attention All wires are connected to the wiring terminals externally from the wiring holes at the bottom of Bi-directional Hybrid Storage Inverter. After wiring, fireproofing mud should be used to seal the wiring holes. Wiring of terminal strips 4.6.6 Except power cable connection in the whole Bi-directional Hybrid Storage Inverter, there are also auxiliary power connection, input and output of some node signals. -
Page 29: Check After Installation
Chapter IV Device Installation 17 The BMS shall have at least one output dry contact connected to “BMS Fault Singnal” In case of battery over-temperature. The BMS shall send trip command to PWG2-50K/100K via the dry contact named “BMS Fault Signal”... -
Page 30: Chapter V Commissioning And Operation
18 Chapter V Commissioning and Operation Chapter V Commissioning and Operation 5.1 Operation state After external wiring of Bi-directional Hybrid Storage Inverter is completed, and wiring is fully checked, connect auxiliary power and close the breaker in AC side. The Bi-directional Hybrid Storage Inverter can be switched in different modes under the conditions in Fig.5-1. -
Page 31: Automatic Startup
Chapter V Commissioning and Operation 19 module red light is always on or flickers, and the buzzer makes an alarm. The device receives shutdown command. green light flickers slowly, and the Shutdown module green light flickers slowly. Automatic startup 5.1.1 In automatic startup, the Bi-directional Hybrid Storage Inverter system will automatically inspect and judge startup conditions. -
Page 32: Startup Steps
20 Chapter V Commissioning and Operation Startup steps 5.2.2 These startup steps are applicable to the circumstance that the Bi-directional Hybrid Storage Inverter system is in outage state and can be started. Operation steps are as follows: 1) Close output switch of battery cabinet and connect power supply to DC port of the device. 2) Close DC breaker Q1. - Page 33 Chapter V Commissioning and Operation 21 warning label on module case surface).
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Page 34: Chapter Vi Operation Control Display Panel
22 Chapter VI Operation Control Display Panel Chapter VI Operation Control Display Panel 6.1 Operation instructions This section introduces LCD display content and settable parameters. Relevant operation control can be conducted via human-computer interface. LCD display interface can provide 800×600 pixel graphic display, display warning information in real time, provide historical warning records for user’s query and offer a reliable basis for fault diagnosis. -
Page 35: Login Interface
Chapter VI Operation Control Display Panel 23 system AC/DC voltage and current, system charging and discharging and operation state can be seen. Fig.6-2 Interface of main wiring diagram 6.1.3 Login interface display information includes “main wiring diagram”, “system information” and “event records”. Users can use such information to learn about current operation status, historical operation data and fault records, as shown in Fig. -
Page 36: Interface Of Event Records
24 Chapter VI Operation Control Display Panel After login, users can review system AC/DC operation state, power grid, load, module state, battery state and warning information under system information, as shown in Fig.6-4. Fig.6-4 System information interface 6.1.5 Interface of event records In event records, users can review current alarm, history alarm, operation record and state record in the system, as shown in Fig.6-5. -
Page 37: System Parameter Interface
Chapter VI Operation Control Display Panel 25 Enter “communication parameter” option. In this interface, site of storage inverter, Baud rate and IP address can be set. It is used for setting in case of background and system station level monitoring and communication, as shown in Fig.6-6. -
Page 38: 4Dc Parameter Interface
26 Chapter VI Operation Control Display Panel Enter “AC parameter”. Main setting parameter items include “inverter control mode”, “active power setting” and “reactive power setting”, as shown in Fig. 6-8. Inverter control mode: please set it as “constant reactive power”. Active power setting: Set active power within the rated power of the machine according to the actual need. -
Page 39: 5Parameter Diagnosis Interface
Chapter VI Operation Control Display Panel 27 2.20~2.27V* number of batteries in series; set 3.2V lithium batteries according to 3.60~3.70V* number of batteries in series. Keep consistent with the equalizing voltage of battery. Equa CHRG V: Prioritize the setting according to the manufacturer’s recommendation. Conduct setting according to the following data when manufacturer’s data cannot be obtained: Set 2V lead battery according to 2.20~2.27V* number of batteries in series;... -
Page 40: 6Local Strategy Interface
28 Chapter VI Operation Control Display Panel Enter “system diagnosis”. It includes “AC debug” and “DC debug” interfaces which are used by maintenance engineer to check machine operation status or faults, as shown in Fig. 6-10. Fig.6-10 Parameter diagnosis interface 6.2.6Local strategy interface Enter “local strategy”. -
Page 41: 8Startup And Shutdown Interface
Chapter VI Operation Control Display Panel 29 Local auto: It is used with “local strategy”. Under this mode, monitor and maintain the current parameter setting (unchangeable), operate according to the period for “local strategy”—power configuration. Remote control: Under this mode, monitor and maintain current parameter... -
Page 42: Chapter Vii Communication Mode
30 Chapter VII Communication Mode Chapter VII Communication Mode 7.1Communication interface Storage inverter supports Modbus protocol, adopts RS485 and Ethernet communication interface and facilitates users to conduct background monitoring for storage inverter and realize remote signaling, remote metering and remote regulating of storage inverter. 7.1.1RS485 serial port The front door of storage inverter is embedded with touch screen Management Unit. -
Page 43: 2Ethernet Port
Chapter VII Communication Mode 31 RS485/232 Converter Fig. 7-1 PC conducts monitoring via RS485 7.1.2Ethernet port The monitoring panel integrates Ethernet port with position numbered as J25. It supports Modbus TCP/IP protocol and has its own IP address like a PC. Ethernet connection requires a switch, and fixed IP needs to be set. Connecting cables are twisted pair (namely network cable). -
Page 44: 3Communication With Bms
32 Chapter VII Communication Mode 7.1.3Communication with BMS The inverter communicates with battery management unit (BMS) to monitor battery state information, give an alarm and provide fault protection for battery according to the battery state and improve the safety of storage battery. - Page 45 Chapter VII Communication Mode 33 Fig.7-5 Structure diagram for background monitoring system...
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Page 46: Chapter Viii Maintenane And Preservation
34 第八章维护与保养 Chapter VIII Maintenance and Preservation Chapter VIII Maintenane and Preservation 8.1Operation environment requirements Device operation environment must comply with the operation environment required for the device: Allowable environment temperature: -20~55℃ Allowable relative humidity: 0~95% (non-condensing) Allowable maximum elevation: 3,000m ... -
Page 47: Appendixes
Appendixes 35 Appendixes Appendix 1: Fault information of Bi-directional Hybrid Storage Inverter Table 9-1 presents the visible fault types of Bi-directional Hybrid Storage Inverter. From this table, users can simply and quickly identify the system faults from the fault types displayed on touch screen. In multiple module parallel system, the warning information interface will indicate the number of fault slaves and fault type. - Page 48 36 Appendixes The replaced nonconforming products will be disposed by Sinexcel. Users should properly store the claim products. As for the products requiring repair, users should give reasonable and sufficient time. We apologize for any inconvenience caused to you. 3) In case of any of the following circumstances, Sinexcel will not offer any quality assurance: Transport damage;...
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Page 49: Installation Records
Installation Records ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................